Dec 05 10:13:08.881 INFO checking msgp-abi-0.1.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:13:08.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 10:13:09.202 INFO [stdout] be2ee4acaa74350c4064751e0f28ff3eeba777b3754a2cee72d6b3afb1722bba
Dec 05 10:13:09.204 INFO running `"docker" "start" "-a" "be2ee4acaa74350c4064751e0f28ff3eeba777b3754a2cee72d6b3afb1722bba"`
Dec 05 10:13:09.951 INFO [stderr] usermod: no changes
Dec 05 10:13:09.996 INFO [stderr]     Checking msgp v0.1.1
Dec 05 10:13:10.507 INFO [stderr]     Checking msgp-abi v0.1.1 (/source)
Dec 05 10:13:11.275 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:11.275 INFO [stderr]   --> src/lib.rs:68:9
Dec 05 10:13:11.275 INFO [stderr]    |
Dec 05 10:13:11.275 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Dec 05 10:13:11.275 INFO [stderr]    |         ----^^^^^^^
Dec 05 10:13:11.275 INFO [stderr]    |         |
Dec 05 10:13:11.275 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:11.275 INFO [stderr]    |
Dec 05 10:13:11.275 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:13:11.275 INFO [stderr] 
Dec 05 10:13:11.278 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:11.278 INFO [stderr]   --> src/lib.rs:81:9
Dec 05 10:13:11.278 INFO [stderr]    |
Dec 05 10:13:11.278 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Dec 05 10:13:11.278 INFO [stderr]    |         ----^^^^^^^
Dec 05 10:13:11.278 INFO [stderr]    |         |
Dec 05 10:13:11.279 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:11.279 INFO [stderr] 
Dec 05 10:13:11.279 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:11.279 INFO [stderr]   --> src/lib.rs:68:9
Dec 05 10:13:11.279 INFO [stderr]    |
Dec 05 10:13:11.279 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Dec 05 10:13:11.279 INFO [stderr]    |         ----^^^^^^^
Dec 05 10:13:11.279 INFO [stderr]    |         |
Dec 05 10:13:11.279 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:11.279 INFO [stderr]    |
Dec 05 10:13:11.279 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:13:11.279 INFO [stderr] 
Dec 05 10:13:11.283 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:13:11.283 INFO [stderr]   --> src/lib.rs:81:9
Dec 05 10:13:11.283 INFO [stderr]    |
Dec 05 10:13:11.283 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Dec 05 10:13:11.283 INFO [stderr]    |         ----^^^^^^^
Dec 05 10:13:11.283 INFO [stderr]    |         |
Dec 05 10:13:11.283 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:13:11.283 INFO [stderr] 
Dec 05 10:13:11.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 05 10:13:11.359 INFO [stderr] su: No module specific data is present
Dec 05 10:13:12.385 INFO running `"docker" "inspect" "be2ee4acaa74350c4064751e0f28ff3eeba777b3754a2cee72d6b3afb1722bba"`
Dec 05 10:13:12.645 INFO running `"docker" "rm" "-f" "be2ee4acaa74350c4064751e0f28ff3eeba777b3754a2cee72d6b3afb1722bba"`
Dec 05 10:13:13.183 INFO [stdout] be2ee4acaa74350c4064751e0f28ff3eeba777b3754a2cee72d6b3afb1722bba